Lines of Credit and Financing Arrangements (Details Textual 2) (USD $) In Millions, unless otherwise specified			12 Months Ended
	Dec. 31, 2011	Dec. 31, 2011 Domestic revolving credit facility [Member]	Dec. 31, 2011 Line of Credit [Member]	Dec. 31, 2011 Foreign Obligations [Member]	Dec. 31, 2010 Foreign Obligations [Member]
Lines of Credit and Financing Arrangements (Textual) [Abstract]
Domestic Revolving Credit Facility		$ 650
Committed standby letters of credit	78.5
Borrowing under Domestic Revolving Credit Facility		243.0		4.7
Available capacity in combined foreign facilities		328.5		1.5	10.1
Default long term debt description of violation or event of default of revolving credit facility			Cross default under our revolving credit facility could occur if: • We fail to pay any principal or interest when due on any other indebtedness or receivables securitization of at least $75.0 million; or • We are in default in the performance of, or compliance with any term of any other indebtedness or receivables securitization in an aggregate principal amount of at least $75.0 million, or any other condition exists which would give the holders the right to declare such indebtedness due and payable prior to its stated maturity
Minimum amount of principal or interest due on indebtedness or receivable securitization			$ 75.0